DEVICE TO PREVENT OIL SPILLAGE FROM EMERGENCY UNDERWATER OIL PIPELINE Russian patent published in 2012 - IPC E02B15/04 F16L55/10 

FIELD: oil-and-gas industry.

SUBSTANCE: invention relates to environmental protection, particularly, to devices intended for prevention of oil spillage from damaged underwater oil lines. Main oil line 1 comprises gates 2 to shut off damaged underwater oil line 3. The latter comprises pumps 4 with intakes 5 and outlets 6, 7. Said pumps are located on opposite bans of pool. Intakes 5 are communicated with underwater oil line 3 under pool level. Outlet 6 of pump 4 is connected with main oil line 1 downstream of gate 2. Tank 8 to force portion of oil from damaged line 3 via outlet 7 is located ashore on oil feed side. It incorporates also valve 10 to force oil back from tank 8 into line 3.

EFFECT: prevented oil spillage.

1 dwg